Jump Rope Handle Chuck Mechanism for Toolless Length Adjustment
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Solution Overview
Problem
Typical jump ropes lack adjustable rope lengths, requiring irreversible shortening by cutting, and mechanisms for connecting shortened ropes to handles are cumbersome and time-consuming.
Innovation Solution
A jump rope handle system featuring a spindle assembly, chuck assembly, and chuck driving mechanism that allows for toolless adjustment of the rope length by closing jaws around the rope, using a doubly threaded fastener and collar to secure the chuck assembly, accommodating various rope diameters and lengths without the need for tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the rope length is adjusted by cutting the rope, then the rope length can be shortened, but the adjustment is irreversible and requires tools and time for connecting
Solution Approach 1:
The patent implements a dynamic adjustment mechanism where the rope length can be changed reversibly through a ratchet system. The rope can be extended or shortened by engaging or disengaging the ratchet mechanism, eliminating the need for cutting and tool-based connections. This dynamic system allows users to quickly adjust rope length without permanent modifications.
Solution Approach 2:
The adjustment mechanism is designed to be self-contained within the handle assembly, allowing users to adjust rope length without external tools. The ratchet system and internal clamping mechanisms enable toolless operation, where the handle itself provides all necessary components for rope length adjustment and secure connection.
2Adaptability or versatility
If a mechanism is added to enable reversible rope length adjustment, then adaptability improves, but device complexity increases
Solution Approach 1:
The patent combines multiple functions into the handle assembly: the rope clamping mechanism, length adjustment system, and securing features are all integrated within the single handle structure. This merging reduces the need for separate components and simplifies the overall system while maintaining reversible adjustability.
Solution Approach 2:
The handle assembly serves multiple functions: it clamps the rope, enables length adjustment, provides secure connection points, and allows reversible modification. By making the handle multi-functional, the patent avoids adding separate dedicated mechanisms for each function, thereby limiting the increase in device complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables adjustable rope lengths without cutting, facilitating efficient switching between different lengths and diameters for various activities, enhancing user convenience and versatility.
Implementation Method 1
The fastener is in a distal end portion of the shaft, and the collar is around a distal end portion of the fastener... screwing the chuck assembly onto the fastener drives a distal end of the fastener through a threaded bore of the base piece and into the drive piece
Implementation Method 2
Holding the spindle assembly stationary by the collar and screwing the chuck assembly onto the fastener
Implementation Method 3
The distal end of the fastener pushes the drive piece and, thus, the set of jaws along a tapered bore of the chuck hood toward a distal end of the chuck assembly
Data Source
AI summary
A jump rope handle configured to hold an end portion of a jump rope is provided in accordance with some embodiments. The jump rope handle includes a spindle assembly, a chuck assembly, a lumen through the spindle and chuck assemblies, and a chuck driving mechanism between the spindle and chuck assemblies. The spindle assembly includes a shaft coupled to one or more bearings. The chuck assembly is rotatably coupled to a distal end portion of the spindle assembly. The chuck driving mechanism is configured to open and close a set of jaws of the chuck assembly such as close the set of jaws around the end portion of the jump rope disposed in the lumen up to a proximal end portion of the spindle assembly. A jump rope system including a jump rope and a pair of such jump rope handles is also provided in accordance with some embodiments.